1、Simple to Use: The measuring is quick and accurate. There is no need to warm up; simply plug and play to save time. 2、Low Power Consumption: 40 hours of continuous operation, this fiber optic power meter enables you to work for a long time. 3、Wide Application: This fiber optic power meter has 7 wavelengths and light sources. 850, 980, 1300, 1310, 1490, 1550, 1625 nm , SC, FC, ST adapters. Covers most of the needs of communication engineering maintenance. 4、Clear Data Display: Clear display of results or information from the optic power meter will try its best to give you a satisfactory experience. 5、ABS Material: Using excellent ABS material, the fiber optic power meter possesses impact resistance and scratch resistance, providing the product with a long life span. Item Type: Fiber Optic Power Meter Material: ABS Output Optical Power: >30MW Output Distance: 30KM Power Supply: Need 2 x AA Battery (Delivery Without Battery) Power Measurement Range: -50~+26dbm Probe Range: InGaAs Wavelength Range: 850-1625nm Standard Wavelength (nm): 850, 980, 1300, 1310, 1490, 1550, 1625 Display Resolution: Linear Display: 0.1% Logarithmic Display: 0.01dBm Working Temperature(℃): -10~+60℃ Storage Temperature(℃): -25~+70℃ Automatic Shutdown Time(min): 10 minutes Continuous Working Time of the Battery: Less Than 40 Hours 1 x Fiber Optic Power Meter 1 x FC adapter 1 x Manual